#define _CRT_SECURE_NO_WARNINGS

#include<stdio.h>

//enum color
//{
//	red,
//	blue,
//	purple
//};

void test(int * pa)
{
	printf("%p\n", pa);
	pa = NULL;
	printf("pa = %p\n", pa);
}

int main()
{
	int b = 10;
	int* a = &b;

	test(a);
	printf("&a = %p\n", a);




	return 0;
}